CVE-2026-19896mangroup dtale Flask Session Cookie app.py build_secret_key random values
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No exploitation reported and no EPSS estimate yet.
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A flaw has been found in mangroup dtale up to 3.22.0. This vulnerability affects the function build_secret_key of the file dtale/app.py of the component Flask Session Cookie. This manipulation causes insufficiently random values. Remote exploitation of the attack is possible. The attack's complexity is rated as high. It is stated that the exploitability is difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
- CVSS
- 3.7 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
- Weakness (CWE)
- CWE-330, CWE-310
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 18, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
mangroup dtale mangroup:dtale | 3.0; 3.1; 3.2; 3.3; 3.4; 3.5; 3.6; 3.7; and 15 more ranges | CNA record |
References
- https://vuldb.com/vuln/390086vdb-entry, technical-description
- https://vuldb.com/vuln/390086/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-19896third-party-advisory
- https://vuldb.com/submit/870672third-party-advisory
- https://github.com/man-group/dtale/issues/960exploit, issue-tracking
- https://github.com/man-group/dtale/pull/963issue-tracking, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.